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Productivity
Productivity
Productivity refers to the biomass produced at a site over a given period of time. Most vegetation assessments are actually limited to estimating net above-ground primary productivity, by ignoring contributions from consumers (livestock, wildlife, microbial populations, etc.). It also circumvents complicated measurements to account for plant respiration and below-ground contributions.
Point Transect Method
Point Transect Method
The point transect method is a technique based on point sampling to determine cover. To follow this method, point readings are taken at either systematic or random locations along a tape that is extended to create a transect across the site. A variety of devices, including sighting tubes, bayonets, and plumb-bobs have been used to ensure a vertical reading of the point through the tape.